Home / 10,087.39-15,131.04-2,590.94

Finding the Fourth Proportional to 10,087.39, 15,131.04 and 2,590.94

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Solution

The fourth proportional to 10,087.39, 15,131.04 and 2,590.94 is: 3,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.39 : 15,131.04 = 2,590.94 : x
  2. Step 2: Convert to fraction form
    10,087.39/15,131.04 = 2,590.94/x
  3. Step 3: Cross multiply
    10,087.39x = 15,131.04 × 2,590.94
  4. Step 4: Simplify right side
    10,087.39x = 39,203,644.89
  5. Step 5: Solve for x
    x = 39,203,644.89/10,087.39
  6. Step 6: Final answer
    x = 3,886.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.